Category: Chemical Process

A. Make it corrosion resistant
B. Make glossy surface
C. Give elasticity & prevent cracking of the film
D. Increase atmospheric oxidation

A. Less changes in fluidity of oil with temperature
B. Substantially high change in fluidity of oil with temperature
C. Its unsuitability under varying temperature conditions
D. None of these

A. Electromagnetic separation
B. Froth floatation
C. Roasting
D. None of these

A. Improve the soap texture
B. Cure pimples & dandruff
C. Fasten lather formation
D. Increase its cleansing action

A. 0.14
B. 0.34
C. 0.94
D. 1.4

A. Evaporation followed by vacuum distillation
B. Liquid extraction technique
C. Extractive distillation technique
D. None of these

A. High cost
B. Fragile nature
C. Easy poisoning tendency
D. All A, B. and C.

A. Remove residual turbidity
B. Reduce the bacterial load on filter
C. Control taste and odour
D. Remove chlorinous taste

A. Adjust the pH of the syrup
B. Remove the coloring matter from the syrup
C. Reduce the viscosity of the syrup
D. Improve the rate of crystallisation of sugar

A. Strongly caking coal should not be used in the Lurgi gasifier
B. Acetylene gas cannot be used for illumination purpose
C. Water gas is called blue gas because of the color of the flame, when it is burnt
D. Gaseous fuels require less percentage of excess air for combustion as compared to liquid fuels